6720880

素因数分解:

$2^4\times 5^1\times {\mathrm{84011}}^1$

素因数の和:84024

約数の個数: 20

約数和(自身を含む): 15626232

約数和(自身を除く): 8905352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 84011, 168022, 336044, 420055, 672088, 840110, 1344176, 1680220, 3360440, 6720880]

約数ペア:

[(1, 6720880), (2, 3360440), (4, 1680220), (5, 1344176), (8, 840110), (10, 672088), (16, 420055), (20, 336044), (40, 168022), (80, 84011)]